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-rw-r--r--arch/um/kernel/uaccess.c11
1 files changed, 7 insertions, 4 deletions
diff --git a/arch/um/kernel/uaccess.c b/arch/um/kernel/uaccess.c
index d7436aacd26f..f0f4b040d7c5 100644
--- a/arch/um/kernel/uaccess.c
+++ b/arch/um/kernel/uaccess.c
@@ -1,10 +1,11 @@
1/* 1/*
2 * Copyright (C) 2001 Chris Emerson (cemerson@chiark.greenend.org.uk) 2 * Copyright (C) 2001 Chris Emerson (cemerson@chiark.greenend.org.uk)
3 * Copyright (C) 2001, 2002 Jeff Dike (jdike@karaya.com) 3 * Copyright (C) 2001 - 2007 Jeff Dike (jdike@{addtoit,linux.intel}.com)
4 * Licensed under the GPL 4 * Licensed under the GPL
5 */ 5 */
6 6
7/* These are here rather than tt/uaccess.c because skas mode needs them in 7/*
8 * These are here rather than tt/uaccess.c because skas mode needs them in
8 * order to do SIGBUS recovery when a tmpfs mount runs out of room. 9 * order to do SIGBUS recovery when a tmpfs mount runs out of room.
9 */ 10 */
10 11
@@ -25,6 +26,8 @@ int __do_copy_to_user(void *to, const void *from, int n,
25 26
26 fault = __do_user_copy(to, from, n, fault_addr, fault_catcher, 27 fault = __do_user_copy(to, from, n, fault_addr, fault_catcher,
27 __do_copy, &faulted); 28 __do_copy, &faulted);
28 if(!faulted) return(0); 29 if (!faulted)
29 else return(n - (fault - (unsigned long) to)); 30 return 0;
31 else
32 return n - (fault - (unsigned long) to);
30} 33}